CN105819967A - Nutrient rich in selenium and iodine, preparing method thereof and method for cultivating tomato rich in selenium and iodine - Google Patents
Nutrient rich in selenium and iodine, preparing method thereof and method for cultivating tomato rich in selenium and iodine Download PDFInfo
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- CN105819967A CN105819967A CN201610189801.6A CN201610189801A CN105819967A CN 105819967 A CN105819967 A CN 105819967A CN 201610189801 A CN201610189801 A CN 201610189801A CN 105819967 A CN105819967 A CN 105819967A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a nutrient rich in selenium and iodine, a preparing method thereof and a method for cultivating tomato rich in selenium and iodine. The nutrient comprises, by mass, 0.05-1.0 part of selenium source, 0.1-1.5 parts of iodine source, 0.05-0.3 part of iron source, 0.05-0.8 part of molybdenum sulfide, 10-100 parts of organic fertilizer and 0.02-0.8 part of fertilizer binder. The preparing method comprises the steps of conducting superfine grinding on the selenium source and the iodine source to obtain powder with grain size smaller than 50 microns, wherein the proportion of grains of the nano-level is 5-20 wt%; conducting smashing and 150-mesh screening on the iron source and molybdenum sulfide respectively; drying and smashing the organic fertilizer; mixing the selenium source, the iodine source, the iron source, molybdenum sulfide and the organic fertilizer, and conducting granulation on a disc granulator, wherein the fertilizer binder is added during granulation. According to the method for cultivating tomato rich in selenium and iodine, root application of the nutrient rich in selenium and iodine is conducted in the base fertilizer period, flowering period or initial fruiting period of tomato, and then harvesting is conducted.
Description
Technical field
The invention belongs to agricultural fertilizer and agronomic technique field, be specifically related to a kind of selenium-rich iodine-rich nutritive agent, its preparation method and the method for cultivation of selenium-rich richness iodine Fructus Lycopersici esculenti.
Background technology
Selenium is one of trace element of needed by human, plays an important role in the normal physiological processes of human body.Selenium has antioxidation, eliminates the different physiological roles such as free radical, enhancing human body immunity; simultaneously also function to particularly important effect at heavy metal detoxification, protection cardiac muscle and cardiovascular and the aspect such as anticancer; human body lacks selenium and may result in the generation of multiple disease, such as Keshan disease, Kaschin-Beck disease and cancer etc..The total diet energy structure survey result that early 1990s is carried out shows, in China's resident's diet, selenium intake meansigma methods is 43.3 μ g/d, the selenium suitable intake lower limit 50 μ g/d recommended significantly lower than Chinese Soclety of Nutrition, and live in the serious resident's selenium intake lacking selenium area and be less than 20 μ g/d, the selenium supplement measure taking necessity is a severe national problem to meet human normal physiological process to the demand of selenium.Directly take in inorganic selenium and there is the biggest potential safety hazard, the too high activity that not only can affect internal deoxygenase system of inorganic selenium intake, but also meeting block cell normal oxidation metabolism, may result in vitamin B12 and folic acid metabolism is disorderly, iron metabolism is not normal, anemia, suppresses the activity of some enzymes, and the heart, liver, the pathological changes of kidney occur.
Iodine is also one of trace element of needed by human, the synthesis of thyroxin plays an important role, thyroxin, at each tract, plays highly important effect in especially nervous system metabolism, g and D maturation, and iodine is played a role by thyroxin.Iodine and the " U "-shaped functional relationship of goiter, the most suitable Iodine intake can keep fit, and too low or too high intake then can cause iodine deficiency or poisoning.Long-term iodine Deficiency of Intake can cause the iodine deficiency (IDD) with cerebral dysgenesis as principal character, and long-term iodine excess intake can cause iodine too much sick (IED).Iodine deficiency is to be distributed a kind of endemic diseases the widest, that patient is most in the world.The iodine deficiency ratio of China is more serious, there are about 4.25 hundred million people and lives in Iodine Deficiency Endemic Areas, and the mentally retarded people caused because of iodine deficiency reach 10,000,000 people, and IQ is on the low side, and person is then difficult to estimate.Supplementation of iodine salt is the most practical method preventing and treating iodine deficiency of accreditation the most both at home and abroad.But supplementation of iodine salt is controlling while IDD, and present in it, defect presents the most significantly, such as problems such as inorganic iodine The book of Changes distillation loss, low, the easy poisonings of bioavailability added in Sal.
Vegetable is the dietary food product that China resident is main, and wherein leaf vegetables occupies critically important status in diet structure.Vegetable is one of mankind's important sources obtaining nutrient substance, it provides the multiple organic nutrient substances such as the vitamin of needed by human, mineral and protein, aminoacid, sugar, has the irreplaceable effect of other food maintaining human normal physiological activity and the aspect that improves health.Vegetable is one of important channel of human body acquisition selenium, I, and organic selenium and the iodine of picked-up naturally is more beneficial for maintaining the balance of human body iodine from vegetable food.Therefore, how passing through food chain safely and effectively selenium supplement and enrich the iodine particularly significant to human health, being improved the daily intaking amount of selenium and iodine by diet, for improving scarce selenium, the health level of iodine deficient area resident colony has great importance.
Fructus Lycopersici esculenti has vegetable and fruit dual identity concurrently, can eat raw, can enter dish, have flavour.Fructus Lycopersici esculenti contains abundant vitamin and mineral, wherein rich in abundant lycopene, is a kind of important natural pigment, has antioxidation, mutation inhibiting, reduction nucleic acid damaging, reduces the function such as cardiovascular disease and prophylaxis of cancer.Fructus Lycopersici esculenti all has plantation in China various places, is China resident the most edible daily vegetable and fruit, improves the selenium content of iodine in Fructus Lycopersici esculenti, be of great significance the selenium Iodine nutrition situation improving we resident.
The selenium-rich richness iodine research of Fructus Lycopersici esculenti is less at present, and mostly stops in a laboratory environment.Chen Haining is in the rich in iodine and selenium of Fructus Lycopersici esculenti is studied, when iodine addition is 10mg/kg-1During soil, Caulis et Folium Lactucae Sativae aerial parts content of iodine is up to 4.23mg/kg(DW)；When selenium addition is 1.5mg/kg-1During soil, Caulis et Folium Lactucae Sativae aerial parts content of iodine is up to 2.3mg/kg(DW), but, whether this achievement can use the most non-verified with large-scale promotion.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of selenium-rich iodine-rich nutritive agent, for cultivation of selenium-rich richness iodine Fructus Lycopersici esculenti.The present invention also provides for a kind of method cultivating selenium-rich richness iodine Fructus Lycopersici esculenti, and with the raw Fructus Lycopersici esculenti Se content 0.6 ~ 4.1mg/kg of the method plantation, wherein organic selenium is up to 98%, content of iodine 0.5 ~ 7.9mg/kg(FW), the most common Fructus Lycopersici esculenti.
The cultural method of the selenium-rich richness iodine Fructus Lycopersici esculenti that the present invention provides is interpolation selenium-rich iodine-rich nutritive agent in the growth course of Fructus Lycopersici esculenti, final results selenium-rich richness iodine Fructus Lycopersici esculenti.
The selenium-rich iodine-rich nutritive agent that the present invention provides, comprises the component of following mass fraction:
Selenium source, in terms of selenium quality: 0.05 ~ 1；
Propiodal, in terms of iodine quality: 0.1 ~ 1.5；
Source of iron, with irony gauge: 0.05 ~ 0.3；
Fertilizer: 10 ~ 100；
Molybdenum sulfide: 0.05 ~ 0.8；
Fertilizer binding agent: 0.02 ~ 0.8.
Preferably, the mixture of one or more during described selenium source is the chelate of the natural mineral material containing selenium element, the vegetable material containing selenium, salt containing selenium, the oxide of selenium, selenium；Described propiodal be natural iodine-contg mineral material, containing iodine vegetable material, iodine salt, iodine chelate in the mixture of one or more；Described source of iron is the mixture of one or more in the chelate of natural iron-bearing mineral material, iron salt, ferrum.It is further preferred that described selenium source is the natural mineral material containing selenium element, described propiodal is iodine salt, and described source of iron is iron salt.It is highly preferred that described selenium source is selenium Ore, described propiodal is potassium iodate, and described source of iron is iron sulfate.
Preferably, in described selenium-rich iodine-rich nutritive agent, the mass ratio of selenium element and I is 1:0.1 ~ 30, preferably 1:2 ~ 5.
The present invention also provides for the preparation method of above-mentioned selenium Iodine nutrition agent, comprises the steps of
1) by selenium source, propiodal respectively micronizing, for particle diameter less than the powder of 50 μm, and wherein ratio shared by Nano grade is 5 ~ 20wt%；
2) source of iron and molybdenum sulfide are pulverized respectively, cross 150 mesh sieves respectively, standby；
3) fertilizer is dried, pulverize, standby；
4) will be according to step 1) ~ 3) process selenium source, propiodal, source of iron, molybdenum sulfide and the fertilizer mixing obtained, pelletize on granulating disc, add fertilizer binding agent during disc granulation.
The method that the present invention also provides for utilizing above-mentioned selenium-rich iodine-rich nutritive agent cultivation of selenium-rich richness iodine Fructus Lycopersici esculenti: in base manure period, florescence or arbitrary period at result initial stage of growing tomatoes, root executes selenium-rich iodine-rich nutritive agent.
Preferably, selenium-rich iodine-rich nutritive agent is executed at Fructus Lycopersici esculenti florescence root.
Preferably, the applied amount of described selenium-rich iodine-rich nutritive agent is calculated as 0.025 ~ 0.5kg/ mu with the quality of selenium.
It is further preferred that the applied amount of described selenium-rich iodine-rich nutritive agent is calculated as 0.25kg/ mu with the quality of selenium.
The said method utilizing the present invention to provide can be greatly improved Se content and the content of iodine of Fructus Lycopersici esculenti, and the selenium content of iodine for Fructus Lycopersici esculenti has preferable controllability, be a kind of safe and reliable, the production method of selenium-rich richness iodine Fructus Lycopersici esculenti can be cultivated in batches.
Compare forefathers, and the method that this method provides is applicable to land for growing field crops, can put into production, have good economic benefit.
The invention has the advantages that:
1, the method provided according to the present invention is cultivated selenium-rich richness iodine Fructus Lycopersici esculenti Se content and be can reach 0.6 ~ 4.1mg/kg, and content of iodine can reach 0.5 ~ 7.9mg/kg(FW).
2, the Fructus Lycopersici esculenti produced according to the inventive method had both maintained the original nutrition of Fructus Lycopersici esculenti and mouthfeel, has reached again the purpose of selenium-rich richness iodine, has had good biocompatibility and physiologically active, it is easy to digest and assimilate.
3, the method that the present invention provides has preferable controllability, (directly edible or food additive) different selenium, Fructus Lycopersici esculenti of content of iodine can be produced according to different demands,, and produce Fructus Lycopersici esculenti have with regard to good selenium iodine ratio, suit human body to selenium and the demand of iodine.
4, the method that the present invention provides has the strongest actual operation, can batch, the production of scale.Appropriate this method production Fructus Lycopersici esculenti can be eaten for its symptom for Que Xi Population at risk and reach the effect that selenium supplement enriches the iodine.
5, the organic selenium in the Fructus Lycopersici esculenti that the method that the present invention provides produces is up to 98%, safe and harmless, is beneficial to absorb.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, so that those skilled in the art can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
The selenium-rich iodine-rich nutritive agent that the present invention provides, comprises the component of following mass fraction:
Selenium source, in terms of selenium quality: 0.05 ~ 1；
Propiodal, in terms of iodine quality: 0.1 ~ 1.5；
Source of iron, with irony gauge: 0.05 ~ 0.3；
Fertilizer: 10 ~ 100；
Molybdenum sulfide: 0.05 ~ 0.8；
Fertilizer binding agent: 0.02 ~ 0.8.
The preparation method of above-mentioned selenium Iodine nutrition agent, comprises the steps of
1) by selenium source, propiodal respectively micronizing, for particle diameter less than the powder of 50 μm, and wherein ratio shared by Nano grade is 5 ~ 20wt%；
2) source of iron and molybdenum sulfide are pulverized respectively, cross 150 mesh sieves respectively, standby；
3) fertilizer is dried, pulverize, standby；
4) will be according to step 1) ~ 3) process selenium source, propiodal, source of iron, molybdenum sulfide and the fertilizer mixing obtained, pelletize on granulating disc, add fertilizer binding agent during disc granulation.
The method of above-mentioned selenium-rich iodine-rich nutritive agent cultivation of selenium-rich richness iodine Fructus Lycopersici esculenti: in base manure period, florescence or arbitrary period at result initial stage of growing tomatoes, root executes selenium-rich iodine-rich nutritive agent.
With detailed description of the invention, the present invention is further described below:
On Che Fangzhen farm, Suzhou, cultivate Fructus Lycopersici esculenti as experimental group.Experiment has 15 communities, 1.5 meters, each community × 2 meters=3 square meters, and growing tomatoes line space is about 0.3 meter × 0.4 meter, and each community plantation 5 × 4=20 strain Fructus Lycopersici esculenti, each cell periphery retains the isolation distance of 1 meter.
Prepare special selenium-rich iodine-rich nutritive agent according to above-mentioned steps, pack labelled, standby.Concrete formula see table:
| Nutrient is numbered | Molybdenum sulfide kg | Iron sulfate is kg in terms of the quality of ferrum | Selenium Ore kg in terms of the quality of selenium | Potassium iodate is kg in terms of the quality of iodine | Fertilizer kg | Fertilizer binding agent kg |
| No. 1 | 0.05 | 0.3 | 0.05 | 1.5 | 10 | 0.02 |
| No. 2 | 0.3 | 0.2 | 0.1 | 0.5 | 40 | 0.2 |
| No. 3 | 0.3 | 0.2 | 0.5 | 1 | 60 | 0.4 |
| No. 4 | 0.8 | 0.05 | 1 | 0.1 | 100 | 0.8 |
| No. 5 | - | - | 0.5 | 1 | 40 | 0.2 |
Test 1 group:
This group is as a control group.Conventionally nursery, transplanting, normal fertilising and water and fertilizer management, stochastic sampling detect its selenium, content of iodine after results.Stochastic sampling detect that the Se content of Fructus Lycopersici esculenti is 0.13mg/kg after results, content of iodine is 0.15mg/kg(FW).
Test 2 ~ 13 groups:
Conventionally nursery, transplanting, normal fertilising and water and fertilizer management, in due course between apply appropriate selenium-rich iodine-rich nutritive agent, the stochastic sampling detection selenium of Fructus Lycopersici esculenti, content of iodine and Se form during results, data summarization is as follows:
| Group is numbered | Nutrient kind | Nutrient consumption kg/ mu (in terms of selenium/iodine) | Nutrient adds the time | Content of iodine mg/kg (FW) | Se content mg/kg (FW) | Organic selenium content % |
| Test 2 groups | No. 2 | 0.25/1.25 | The result initial stage | 6.3 | 2.2 | 92 |
| Test 3 groups | No. 3 | 0.25/0.5 | Florescence | 4.2 | 2.7 | 98 |
| Test 4 groups | No. 3 | 0.25/0.5 | The result initial stage | 3.5 | 2.4 | 93 |
| Test 5 groups | No. 2 | 0.25/1.25 | Florescence | 6.5 | 2.5 | 94 |
| Test 6 groups | No. 2 | 0.5/2.5 | Florescence | 10.9 | 3.7 | 81 |
| Test 7 groups | No. 3 | 0.5/1 | The result initial stage | 5.9 | 4.3 | 88 |
| Test 8 groups | No. 4 | 0.5/0.05 | Base manure | 0.5 | 3.9 | 90 |
| Test 9 groups | No. 3 | 0.5/1 | Base manure | 5.9 | 3.2 | 90 |
| Test 10 groups | No. 2 | 0.05/0.25 | Florescence | 1.4 | 1.2 | 97 |
| Test 11 groups | No. 1 | 0.05/1.5 | Florescence | 7.1 | 1.0 | 91 |
| Test 12 groups | No. 1 | 0.025/0.3 | Florescence | 1.3 | 0.6 | 97 |
| Test 13 groups | No. 5 | 0.5/1 | The result initial stage | 4.2 | 2.9 | 93 |
Test 14 groups:
This test group sodium selenite substitutes selenium Ore, and nutrient composition is: 0.5kg selenium (sodium selenite), 1kg iodine (potassium iodate), molybdenum sulfide 0.3kg, and source of iron 0.2kg(is in terms of ferrum), fertilizer 40kg, fertilizer binding agent 0.2kg.
According to the management by methods of comparison, applying this nutrient of 0.25kg/ mu at the florescence, stochastic sampling detection during results, the Se content of Fructus Lycopersici esculenti is 2.6ppm, and wherein organic selenium accounting in total selenium is 88%, and content of iodine is 3.9ppm.
Test 15 groups:
This test group potassium iodide substitutes potassium iodate, and nutrient composition is: 0.5kg selenium (selenium Ore), 1kg iodine (potassium iodide), molybdenum sulfide 0.3kg, and source of iron 0.2kg(is in terms of ferrum), fertilizer 40kg, fertilizer binding agent 0.2kg.
According to the management by methods of comparison, applying this nutrient of 0.25kg/ mu at the florescence, stochastic sampling detection during results, the Se content of Fructus Lycopersici esculenti is 2.3ppm, and wherein organic selenium accounting in total selenium is 86%, and content of iodine is 3.5ppm.
As can be seen from the above embodiments: the Fructus Lycopersici esculenti utilizing the method that the present invention provides to cultivate has the highest selenium, content of iodine, respectively up to 4.1mg/kg and 7.9mg/kg, is 31 times and 52 times of matched group.The Fructus Lycopersici esculenti that the method is produced is a kind of natural selenium-rich richness iodine vegetable, its organic selenium is up to 98%, and be easily absorbed by the body utilization, is one safely and effectively selenium supplement food, the selemium nutrition deficiency improving the people is had the meaning of important reality, has vast potential for future development.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, and protection scope of the present invention is not limited to this.The equivalent that those skilled in the art are made on the basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a selenium-rich iodine-rich nutritive agent, it is characterised in that comprise the component of following mass fraction:
Selenium source, in terms of selenium quality: 0.05 ~ 1；
Propiodal, in terms of iodine quality: 0.1 ~ 1.5；
Source of iron, with irony gauge: 0.05 ~ 0.3；
Fertilizer: 10 ~ 100；
Molybdenum sulfide: 0.05 ~ 0.8；
Fertilizer binding agent: 0.02 ~ 0.8.
2. selenium-rich iodine-rich nutritive agent as claimed in claim 1, it is characterised in that described selenium source is the mixture of one or more in the chelate of the natural mineral material containing selenium element, the vegetable material containing selenium, salt containing selenium, the oxide of selenium, selenium；Described propiodal be natural iodine-contg mineral material, containing iodine vegetable material, iodine salt, iodine chelate in the mixture of one or more；Described source of iron is the mixture of one or more in the chelate of natural iron-bearing mineral material, iron salt, ferrum.
3. selenium-rich iodine-rich nutritive agent as claimed in claim 2, it is characterised in that described selenium source is the natural mineral material containing selenium element, and described propiodal is iodine salt, and described source of iron is iron salt.
4. selenium-rich iodine-rich nutritive agent as claimed in claim 3, it is characterised in that described selenium source is selenium Ore, and described propiodal is potassium iodate, and described source of iron is iron sulfate.
5. selenium-rich iodine-rich nutritive agent as claimed in claim 3, it is characterised in that in described selenium-rich iodine-rich nutritive agent, selenium element is 1:0.1 ~ 30, preferably 1:2 ~ 5 with the mass ratio of I.
6. the preparation method of selenium-rich iodine-rich nutritive agent described in claim 1 ~ 5, it is characterised in that comprise the steps of
1) by selenium source, propiodal respectively micronizing, for particle diameter less than the powder of 50 μm, and wherein ratio shared by Nano grade is 5 ~ 20wt%；
2) source of iron and molybdenum sulfide are pulverized respectively, cross 150 mesh sieves respectively, standby；
3) fertilizer is dried, pulverize, standby；
4) will be according to step 1) ~ 3) process selenium source, propiodal, source of iron, molybdenum sulfide and the fertilizer mixing obtained, pelletize on granulating disc, add fertilizer binding agent during disc granulation.
7. the method for the selenium-rich iodine-rich nutritive agent cultivation of selenium-rich richness iodine Fructus Lycopersici esculenti utilized as described in any one of claim 1 ~ 5, it is characterised in that in arbitrary period at base manure period, florescence or the result initial stage of growing tomatoes, root executes selenium-rich iodine-rich nutritive agent.
8. method as claimed in claim 7, it is characterised in that execute selenium-rich iodine-rich nutritive agent at Fructus Lycopersici esculenti florescence root.
9. method as claimed in claim 7, it is characterised in that the applied amount of described selenium-rich iodine-rich nutritive agent is calculated as 0.025 ~ 0.5kg/ mu with the quality of selenium.
10. method as claimed in claim 9, it is characterised in that the applied amount of described selenium-rich iodine-rich nutritive agent is calculated as 0.25kg/ mu with the quality of selenium.
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| CN106358723A (en) * | 2016-08-31 | 2017-02-01 | 黎志春 | Planting device and planting method of selenium-enriched and iodine-enriched sugarcane |
| CN106565367A (en) * | 2016-10-25 | 2017-04-19 | 张春 | Special fertilizer for iodine-rich and iron-rich paddy rice and preparation method of special fertilizer |
| CN106565318A (en) * | 2016-10-25 | 2017-04-19 | 张春 | Special fertilizer for iodine-rich strontium-rich rice and preparation method for special fertilizer |
| CN112125728A (en) * | 2020-08-11 | 2020-12-25 | 苏州常春藤农业科技有限公司 | Organic selenium-rich special nutrient for loquat, and preparation method and application thereof |
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| CN103058740A (en) * | 2013-01-19 | 2013-04-24 | 上海天际生态农业有限公司 | Special fertilizer for producing organic selenium-enriched tomatoes and preparation method thereof |
| CN104230538A (en) * | 2014-08-28 | 2014-12-24 | 凤阳县兴科农业生态发展有限公司 | Fertilizer suitable for tomato growth and preparation method thereof |
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| CN102422762A (en) * | 2011-09-05 | 2012-04-25 | 毛学东 | Rapid high-efficiency breeding method for tomato seedlings |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106358723A (en) * | 2016-08-31 | 2017-02-01 | 黎志春 | Planting device and planting method of selenium-enriched and iodine-enriched sugarcane |
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| CN106565367A (en) * | 2016-10-25 | 2017-04-19 | 张春 | Special fertilizer for iodine-rich and iron-rich paddy rice and preparation method of special fertilizer |
| CN106565318A (en) * | 2016-10-25 | 2017-04-19 | 张春 | Special fertilizer for iodine-rich strontium-rich rice and preparation method for special fertilizer |
| CN112125728A (en) * | 2020-08-11 | 2020-12-25 | 苏州常春藤农业科技有限公司 | Organic selenium-rich special nutrient for loquat, and preparation method and application thereof |
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